Amazon Web Services (AWS) customers can now run their cloud applications on hardware dedicated to them. Amazon's EC2 uses virtualization, based on a customized version of the Xen hypervisor, to run multiple OSes and customers on a single physical machine. However, that way of running an IT infrastructure isn't a good fit for all users as some have regulatory or other restrictions that require physical isolation, according to an Amazon." Also: "Oh snap! Look who just ate Apple and Google's lunch here? Minutes ago, Amazon rolled out its very own music streaming service which is conveniently dubbed the Amazon Cloud Player."